SF2 eCCR air diluent decompression sidemount MOD2

Decompression on sidemount rebreather

The second level course for rebreather divers allows you to plan and excecute decompression dives to 45 metres using air as a diluent.

You will learn more about the benefits, hazards, and proper procedures when diving a CCR on decompression dives, while managing two stage bottles.

The TDI Air Diluent Decomopression Rebreather Course starts with the no-decompression foundations course over five days. On completion, you can take another two days for the second module focusing on decompression diving on CCR.
We highly recommend purchasing and owning your rebreather, but understand you might wish to try the system out before making the decision. Therefore it's possible to rent the rebreather unit for students whenever needed for the courses.
You can rent both sidemount and backmount SF2 eCCR units from us.

    • Minimum age of 18 years
    • Show proof of twenty 50 logged open water dives
    • Minimum Air Diluent / Rebreater Diver
    • Have a current medical examamination for scuba diving and signed medical questionnaire
    • by a licensed medical practitioner not older than 1 year old
    • 6 days
    • 7 Training Dives
    • Online Learning
    • Gases (Air/O2 & Bailout)
    • Transport to the dive sites
    • Light refreshments on the boat; tea, coffee, water, fruits
    • Certification
    • Breathing system – CCR rebreather
    • Primary dive Light
    • Stage bailout regulators
    • Mask + back up
    • Wetnote book or slate
    • Dive computer & bottom Timer
    • Compass
    • Appropriate exposure suit
    • Suit – hood – boots
    • Fins - open heel, preferable with spring heel straps
    • Wing / backplate
    • 2 cutting tools
  • Two different courses are covered with this program, CCR Air Diluent and CCR Air Diluent Decompression, not all subject matter is applicable to both. This is the entry level certification course for divers wishing to utilize a closed circuit rebreather (CCR) for air diving. The objective of the course is to train divers in the benefits, hazards and proper procedures for diving a CCR and to develop basic CCR diving skills to a maximum depth of 30 metres / 100 feet Air Diluent, or 45 metres /150 feet Air Diluent Decompression.

    For the diver who is already a CCR Air Diluent diver, the information in this course along with practical application with a certified TDI Air Diluent CCR Decompression Procedures Instructor will take the diver to the next level.

    Course fee includes the online academic portion of this course only. Additional fees, classroom time with a TDI instructor and/or training dives may be required.

    Price: 129.95USD


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SF2 eCCR air diluent decompression sidemount MOD2


  • 1.050 €

Upon booking you are required to pay a deposit of 50 €.

Read more about the units from our SF2 page ->

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Currently we operate only in Koh Tao, Thailand, visit our page

Photo credits to Fat Fish Movies, Anna Kekkonen, Irene Stangierska, Fredrik Lindblad and Mikko Paasi.
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